Image upload field enhancements.

[charliegriefer]

Bottle Add/Edit:

Once you select an image, you can't choose to not add an image. You can select a new image, but you can't just say, "nope... never mind. don't want to add an image".

Add a "clear" to the image upload fields.

[charliegriefer]

Look at Uppy to handle uploads directly to S3

https://uppy.io